HardLabs

104 LHv3.3

Tedfs3·104LH_v3.3

104 LHv3.3 PCB layout, top view — open source NXP board by Tedfs3

About the 104 LHv3.3 PCB

104 LHv3.3 is an open source NXP PCB design by Tedfs3, published on GitHub. It is a 2-layer board measuring 437.8 × 130.6 mm, with 224 components from 24 distinct parts.

Its main chip is the Teesny2.0++, from the NXP family. By type, the board carries 104 relays, 104 diodes, 2 inductors and 2 resistors.

It belongs with the keyboards designs in this gallery.

From the project

104 key left handed keyboard

104 LHv3.3 bill of materials (BOM)

224 components, 24 distinct parts.

QtyPartRefs
1
2.0u
2.0u
2
Stabilizer
2.0u1, 2.0u2
1
>VALUE
225
1
SPI_HEADER
H1
1
EXPANSION
H2
1
VCCIN
H3
1
USB_MINI_B
H4
1
RESET
H5
1
USB_POWER
H6
1
USB_DATA
H7
86
CHRY_MX
K1, K2, K3, K4, K5, K6, K7, K8 +78
2
CHRY_MX
K37, K93
2
CHRY_MX
K38, K75
2
CHRY_MX
K45, K58
1
CHRY_MX
K62
2
CHRY_MX
K74, K80
1
CHRY_MX
K91
7
CHRY_MX
K97, K98, K99, K101, K102, K103, K104
1
CHRY_MX
K100
1
Teesny2.0++
MCU_1
Show 4 more
QtyPartRefs
104
1N4148
D1, D2, D3, D4, D5, D6, D7, D8 +96
1
CAP
L1
1
NUM
L2
2
150
R1, R2

104 LHv3.3 design files

The KiCad project lives in the Tedfs3/104LH_v3.3 repository on GitHub; these links point at the commit this page was built from.

104 LHv3.3: common questions

What microcontroller does the 104 LHv3.3 use?

The 104 LHv3.3 is built around the Teesny2.0++, from the NXP family.

How big is the 104 LHv3.3 PCB?

The 104 LHv3.3 measures 437.8 × 130.6 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the 104 LHv3.3?

224 components, from 24 distinct parts. The full bill of materials is listed on this page.

Where can I download the 104 LHv3.3 design files?

From the Tedfs3/104LH_v3.3 repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the 104 LHv3.3 design in my own project?

The repository has no license, so all rights stay with Tedfs3. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the 104 LHv3.3 without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug NXP firmware against it before you order a PCB.

More boards in 104LH_v3.3

Similar boards